Home / 8,404.20-12,605.79-3,722.84

Finding the Fourth Proportional to 8,404.20, 12,605.79 and 3,722.84

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Solution

The fourth proportional to 8,404.20, 12,605.79 and 3,722.84 is: 5,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.20 : 12,605.79 = 3,722.84 : x
  2. Step 2: Convert to fraction form
    8,404.20/12,605.79 = 3,722.84/x
  3. Step 3: Cross multiply
    8,404.20x = 12,605.79 × 3,722.84
  4. Step 4: Simplify right side
    8,404.20x = 46,929,276.21
  5. Step 5: Solve for x
    x = 46,929,276.21/8,404.20
  6. Step 6: Final answer
    x = 5,584.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.